WALL MOUNTED type SPLIT TYPE ROOM AIR CONDITIONER. Reciprocating Compressor Models. Rotary Compressor Models CONTENTS

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1 SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED type Reciprocating Compressor Models Indoor unit MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E Outdoor unit MR18C3E MR18Y3E MR24C3E MR24Y3E MR30C3E Rotary Compressor Models Indoor unit MW18C3E MW18Y3E MW24C3E MW24Y3E Outdoor unit MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A CONTENTS SPECIFICATIONS OUTLINE AND DIMENSIONS REFRIGERANT SYSTEM DIAGRAM CIRCUIT DIAGRAM INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM ERROR DISPLAY DISASSEMBLY ILLUSTRATION PARTS LIST

2 S P E C I F I C A T I O N S R E C I P R O C A T I N G C O M P R E S S O R M O D E L S TYPE COOL COOL & HEAT COOL COOL & HEAT COOL INDOOR UNIT MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E OUTDOOR UNIT MR18C3E MR18Y3E MR24C3E M224Y3E MR30C3E COOLI NG CAPACITY (BTU / h) 18,000-17,000 17,500-16,500 23,000-22,500 23,000-22,500 29,500-28,700 HEATING CAPACITY (BTU / h) , ,500-22, ELECTRICAL DATA POWER SOURCE (V) 230 / 208 FREQUENCY (Hz) 60 COOLING RUNNING CURRENT (A) HEATI NG INPUT WATTS E.E.R. (kw) (BTU / h.w) COOLING HEATI NG COOLING HEATI NG MOISTURE REMOVAL ( / hr) AIR CIRCULATION - Hi 3 (m / hr) ,100 1,100 1,100 COMPRESSOR TYPE Hermetic type, Permanent split condenser, 2 poles, Single phase, Induction motor, Recipro CODE H25B18QABCA H25B18QABCA H25B24QABCA H25B24QABCA H25B35QABCA REFRIGERANT R-22 (g) 1,700 2,250 2,200 2,350 1,900 FAN MOTOR POWER SOURCE (V) 230 / 208 TYPE (r.p.m.) MFA-18FPH MFA-18FPH MFA-30FPH MFA-30FPH MFA-18FPH INDOOR UNIT HI-SPEED (r.p.m.) ,260-1,160 1,260-1,160 1,260-1,160 MED-SPEED (r.p.m.) ,130-1,030 1,130-1,030 1,130-1,030 LO-SPEED (r.p.m.) TYPE MFB-24FP MFB-24FP MFB-24FP MFB-24FP MFB-30BP OUTDOOR UNIT (r.p.m.) DIMENSIONS HEIGHT inch (mm) 12-19/32" (320) 12-19/32" (320) 12-19/32" (320) 12-19/32" (320) 12-19/32" (320) INDOOR UNIT WIDTH inch (mm) 49-7/32" (1,250) 49-7/32" (1,250) 49-7/32" (1,250) 49-7/32" (1,250) 49-7/32" (1,250) DEPTH inch (mm) 7-11/16" (195) 7-11/16" (195) 7-11/16" (195) 7-11/16" (195) 7-11/16" (195) HEIGHT inch (mm) 25-1/8" (643) 25-1/8" (643) 25-1/8" (643) 25-1/8" (643) 45-11/32" (1,152) OUTDOOR UNIT WIDTH inch (mm) 33-1/32" (840) 33-1/32" (840) 33-1/32" (840) 33-1/32" (840) 37-1/32" (940) DEPTH inch (mm) 13-1/4" (336) 13-1/4" (336) 13-1/4" (336) 13-1/4" (336) 14-9/16" (370) WEIGHTS INDOOR UNIT 55 / 40 (25 / 18) 55 / 40 (25 / 18) 55 / 40 (25 / 18) 55 / 40 (25 / 18) 55 / 40 (25 / 18) OUTDOOR UNIT GROSS / NET lbs (kg) 163 / 145 (74 / 66) 165 / 147 (75 / 67) 165 / 147 (75 / 67) 167 / 150 (76 / 68) 238 / 207 (108 / 94) REFRIGERANT CHARGING PIPE LENGTH 25 ft. (7.5 m) 33 ft. (10 m) 49 ft. (15 m) 66 ft. (20 m) 83 ft. (25 m) 98 ft. (30 m) MR18C3E 1,700 g 1,730 g 1,790 g 1,850 g (60.0 oz.) (61.1 oz.) (63.2 oz.) (65.3 oz.) FULL MR18Y3E 2,250 g 2,335 g 2,505 g 2,675 g (79.4 oz.) (82.4 oz.) (88.4 oz.) (94.4 oz.) CHARGE MR24C3E 2,200 g 2,230 g 2,290 g 2,350 g AMOUNT (77.6 oz.) (78.7 oz.) (80.8 oz.) (82.9 oz.) MR24Y3E 2,350 g 2,435 g 2,605 g 2,775 g (82.9 oz.) (85.9 oz.) (91.9 oz.) (97.9 oz.) MR30C3E 1,900 g 1,943 g 2,028 g 2,113 g 2,198 g 2,283 g (67.0 oz.) (68.5 oz.) (71.5 oz.) (74.5 oz.) (77.5 oz.) (80.5 oz.) Note : Whenever 7.5 m is exceeded, and/or when using a line set length other than those found in the table, charge with additional refrigerant as follows: 34 g (1.20 oz.) / 3.3 ft. (1 m) for 18Y, 24Y Models, 14.4 g (0.51 oz.) / 3.3 ft (1 m) for 18C Model, 12 g (0.42 oz.) / 3.3 ft (1 m) for 24C Model, and 17 g (0.60 oz.) / 3.3 ft (1 m) for 30C Model

3 SPECIFICATIONS R O T A R Y C O M P R E S S O R M O D E L S TYPE COOL COOL & HEAT COOL COOL & HEAT INDOOR UNIT MW18C3E MW18Y3E MW24C3E MW24Y3E OUTDOOR UNIT MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A COOLI NG CAPACITY (BTU / h) 18,000-17,000 17,500-16,500 23,000-22,500 23,000-22,500 HEATING CAPACITY (BTU / h) , ,500-22,500 ELECTRICAL DATA POWER SOURCE (V) 230 / 208 FREQUENCY (Hz) 60 RUNNING CURRENT (A) INPUT WATTS E.E.R. (kw) (BTU / h.w) COOLING HEATI NG COOLING HEATI NG COOLING HEATI NG MOISTURE REMOVAL ( / hr) AIR CIRCULATION - Hi 3 (m / hr) ,000 1,000 COMPRESSOR TYPE Hermetic type, Permanent split condenser, 2 poles, Single phase, Induction motor CODE PH28NSGT PH28NSGT PH33NTJT PH33NTJT REFRIGERANT R-22 (g) 1,700 1,900 2,000 2,200 FAN MOTOR POWER SOURCE (V) 230 / 208 TYPE (r.p.m.) MFA-18FPHT MFA-18FPHT MFA-30FPHT MFA-30FPHT INDOOR UNIT HI-SPEED (r.p.m.) ,260-1,160 1,260-1,160 MED-SPEED (r.p.m.) ,130-1,030 1,130-1,030 LO-SPEED (r.p.m.) TYPE MFB-24FP MFB-24FP MFB-24FP MFB-24FP OUTDOOR UNIT (r.p.m.) DIMENSIONS HEIGHT inch (mm) 12-19/32" (320) 12-19/32" (320) 12-19/32" (320) 12-19/32" (320) INDOOR UNIT WIDTH inch (mm) 49-7/32" (1,250) 49-7/32" (1,250) 49-7/32" (1,250) 49-7/32" (1,250) DEPTH inch (mm) 7-11/16" (195) 7-11/16" (195) 7-11/16" (195) 7-11/16" (195) HEIGHT inch (mm) 25-1/8" (643) 25-1/8" (643) 25-1/8" (643) 25-1/8" (643) OUTDOOR UNIT WIDTH inch (mm) 33-1/32" (840) 33-1/32" (840) 33-1/32" (840) 33-1/32" (840) DEPTH inch (mm) 13-1/4" (336) 13-1/4" (336) 13-1/4" (336) 13-1/4" (336) WEIGHTS INDOOR UNIT GROSS / NET lbs (kg) 55 / 40 (25 / 18) 55 / 40 (25 / 18) 55 /40 (25 / 18) 55 /40 (25 / 18) OUTDOOR UNIT 163 / 145 (74 / 66) 165 / 147 (75 / 67) 165 /147 (75 / 67) 167 /150 (76 / 68) REFRIGERANT CHARGING PIPE LENGTH 25 ft. (7.5 m) 33 ft. (10 m) 49 ft. (15 m) 66 ft. (20 m) MR18C3E-A 1,700 g 1,736 g 1,808 g 1,880 g (60.0 oz.) (61.2 oz.) (63.7 oz.) (66.3 oz.) FULL 1,900 g 1,985 g 2,155 g 2,325 g MR18Y3E-A (67.0 oz.) (70.0 oz.) (76.0 oz.) (82.0 oz.) CHARGE 2,000 g 2,030 g 2,060 g 2,120 g MR24C3E-A AMOUNT (67.0 oz.) (71.6 oz.) (72.7 oz.) (74.8 oz.) 2,200 g 2,285 g 2,455 g 2,625 g MR24Y3E-A (77.6 oz.) (80.6 oz.) (86.6 oz.) (92.6 oz.) Note : Whenever 7.5 m is exceeded, and/or when using a line set length other than those found in the table, charge with additional refrigerant as follows: 34 g (1.20 oz.) / 3.3 ft. (1 m) for 18Y, 24Y Models and 14.4 g (0.51 oz.) / 3.3 ft (1 m) for 18C Model and 12 g (0.42 oz.) / 3.3 ft (1 m) for 24C Model

4 OUTLINE AND DIMENSIONS Models Models: : ASU18C1, MW18C3E, ASU18R1 MW18Y3E ASU24C1, ASU24R1 MW24C3E, MW24Y3E ASU30C1 MW30C3E Unit : inch (mm) Models: MR18C3E, MR18C3E-A MR18Y3E, MR18Y3E-A Models : AOU18C1, AOU18R1, AOU18R1A AOU24C1, MR24C3E, AOU24R1, MR24C3E-A AOU24R1A MR24Y3E, MR24Y3E-A Model: MR30C3E Model : AOU30C1 14-9/16"(336)

5 REFRIGERANT SYSTEM DIAGRAM Models: MW18C3E / MR18C3E Models: MW18Y3E / MR18Y3E

6 Models: MW24C3E / MR24C3E Models: : ASU24R1 MW24Y3E / AOU24R1 / MR24Y3E

7 Model: MW30C3E / MR30C3E

8 Models : MW18C3E / MR18C3E-A Models : MW18Y3E/ MR18Y3E-A Cooling Heating : Flare coupling

9 Models : MW24C3E / MR24C3E-A Models : MW24Y3E / MR24Y3E-A Cooling Heating : Flare coupling

10 Models: MW18C3E / MR18C3E MW24C3E / MR24C3E

11 Models: MW18Y3E / MR18Y3E MW24Y3E / MR24Y3E

12 Models: MW30C3E / MR30C3E

13 Models: MW18C3E / MR18C3E-A MW24C3E / MR24C3E-A

14 Models: MW18Y3E, MR18Y3E-A MW24Y3E, MR24Y3E-A

15 Models: MW18C3E / MR18C3E, MR18C3E-A MW24C3E / MR24C3E, MR24C3E-A

16 Models: MW18Y3E / MR18Y3E, MR18Y3E-A MW24Y3E / MR24Y3E, MR24Y3E-A

17 Models: MW30C3E / MR30C3E

18 ERROR DISPLAY Operation can be checked by lighting and flashing of the display section OPERATION and TIMER lamps. Perform judgment in accordance with the following. Test running When the air conditioner is run by pressing the remote control unit test run button, the OPERATION and TIMER lamps flash slowly at the same time. Error The OPERATION and TIMER lamps operate as follows (Table) according to the error contents. Table Error display Error contents 0.5 sec 0.5 sec ON OPERATION LAMP OFF TIMER LAMP ON O FF 0.1 se 5 sec sec Two quick flashes repeated 0.1 sec ON/OFF repeated Room temperature thermistor abnormal temperature detected OPERATION LAMP TIMER LAMP ON ON O FF 0 OF F 5 01 se 0.5 sec sec sec Three quick flashes repeated 0.1 sec ON/OFF repeated Piping thermistor abnormal temperature detected

19 Models: MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E MW24C3E, MW24Y3E, MW30C3E

20 Models: MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E

21 Models: MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E

22 Models: MR18C3E, MR18C3E-A, MR18Y3E, MR18Y3E-A MR24C3E, MR24C3E-A, MR24Y3E, MR24Y3E-A

23 Models: MR18C3E

24 Models: MR18C3E-A

25 Model: MR18Y3E

26 Model: MR18Y3E-A

27 Model: MR24C3E

28 Model: MR24C3E-A

29 Model: MR24Y3E

30 Model: MR24Y3E-A

31 Model: MR30C3E

32 Models: MR30C3E

33 Models: MR30C3E

34 Models: MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A

35 Models: MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A

36 PARTS LIST MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E INDOOR UNIT When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" Column. Ref. Part No. Description Ord. No. MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E Q'ty 34 Capacitor(Fan Motor) Panel(Front) Total Assy Louver Hinge Plate Air Filter Base Casing Assy Drain Hose Assembly Evaporator Assy Fan Motor Assy-IN Main Relay Thermistor Assy-Room Thermistor Assy-Pipe Controller PCB Assy Remote Control Unit Flap(Upper)-G Cross Flow Fan-R Assy Crossflow Fan L Assy Indicator PCB Assy Bracket, Panel Louver Rod Louver Stopper Louver Link Cover(Power) Remote Control Unit Holder Bottom Cover-A Bottom Cover-B Hook(Grille)-R Hook(Grille)-L Terminal-6P Filter PCB Assy Step Motor-H Step Motor-V Fan Guard Fan Guard

37 PARTS LIST MR18C3E MR18Y3E MR24C3E MR24Y3E OUTDOOR UNITS EQUIPPED WITH RECIPROCATING COMPRESSOR Ref. No. Description When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" Column. Part No. MR18C3E MR18Y3E MR24C3E MR24Y3E 2 Fan Cover Emblem-Rear FRIEDRICH Cabinet-C, Painted Panel (Top), Painted Metal Cabinet-B, Painted Base Assy. Painted Way Valve Assy Way Valve Assy Dryer Condenser Assy Capillary Tube Capillary Tube-C Capillary Tube-B Compressor Blanket Capacitor(Fan Motor) Running Capacitor Propeller Fan Assy Outdoor Fan Motor Assy Compressor Assy Power Relay Strainer Solenoid Coil Way Valve Check Valve Assy Compressor Blanket (Top) Center Plate Terminal-8P Fuse Ord. Q'ty

38 PARTS LIST MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A OUTDOOR UNITS EQUIPPED WITH ROTARY COMPRESSOR Ref. No. Description When you order parts, please make a photocopy of this page and fill the number of the parts in the "Order" Column. Part No. MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A 2 Fan Cover Emblem-Rear FRIEDRICH Cabinet-A Painted Cabinet-C, Painted Electrical Access Panel, Painted Cabinet-B, Painted Base Assy. Painted Way Valve Assy Way Valve Assy Dryer Condenser Assy Capillary Tube-A Capillary Tube-B Capillary Tube-C Compressor Blanket Capacitor(Fan Motor) Running Capacitor Propeller Fan Assy Outdoor Fan Motor Assy Compressor Assy Power Relay Strainer Solenoid Coil Way Valve Check Valve Assy Compressor Blanket - Top Center Plate Terminal-8P Fuse Strap Terminal Cover Terminal Cover Gasket N/S Crankcase Heater N/S Crankcase Heater Relay Ord. Q'ty

39 PARTS LIST Reference No. Description MR30C3E Part No. 2 Fan Cover Emblem-Rear FRIEDRICH Cabinet-C, Painted Panel (Top), Painted Metal Cabinet-B, Painted Base Assy. Painted Way Valve Assy Way Valve Assy Dryer Condenser Assy Capillary Tube Restrictor Valve (Cap Tub) Restrictor Valve (Cap Tub) Compressor Cover Blower Cover Capacitor(Fan Motor) Running Capacitor Propeller Fan Assy Fan Motor Assy.-OUT Compressor Assy Power Relay Strainer Solenoid Coil Way Valve Check Valve Assy Thermostat Outdoor Compressor Cover-B Center Plate Cabinet Tip Plate Cabinet D Painted Blower Cover Corner Ball Valve A Ball Valve B Terminal-8P Fuse Q1 Xstr 2SC T1 Transformer ETS28A118AH BZ1 Buzzer m 3 (6,& Relay JQ1-12V SSR-1 Relay G3M-202P-US F101 Fuse MT3 3A-250V

40 FRIEDRICH AIR CONDITIONING CO. Post Office Box 1540 San Antonio, Texas (210) (210) Fax FRAC0306G2327-9/05

EFFICIENT 13 SEER AIR CONDITIONER ENVIRONMENTALLY SOUND R 410A REFRIGERANT

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